Meanwhile, cut out stem end of each tomato; then cut each tomato horizontally in half. Place tomatoes, cut-side up, in 8" by 8" glass baking dish. Into small bowl, tear bread into small pieces; stir in Parmesan cheese, parsley, salt, and pepper. Sprinkle crumb mixture over tomato halves. Spray each tomato lightly with nonstick cooking spray.

After chicken has baked 40 minutes, place tomatoes in same oven and bake 20 minutes longer or until tomatoes are heated through and chicken is golden brown and juices run clear when pierced with a knife.

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